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Finding the Fourth Proportional to 147,992.52, 204,160.42 and 96,991.68

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Solution

The fourth proportional to 147,992.52, 204,160.42 and 96,991.68 is: 133,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,992.52 : 204,160.42 = 96,991.68 : x
  2. Step 2: Convert to fraction form
    147,992.52/204,160.42 = 96,991.68/x
  3. Step 3: Cross multiply
    147,992.52x = 204,160.42 × 96,991.68
  4. Step 4: Simplify right side
    147,992.52x = 19,801,862,125.31
  5. Step 5: Solve for x
    x = 19,801,862,125.31/147,992.52
  6. Step 6: Final answer
    x = 133,803.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.